C3123223313331322121111331333133313121111331323133312133313111221   >>    C312322331333132212111133133313331312111133132313331213331311122   <<    C3123223313331322121111331333133313121111331323133312133313111223   >>      C3123223313331322121111331333133313121111331323133312133313111222   >>